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Cloned from launchpad blueprint https://blueprints.launchpad.net/neutron/+spec/vxlan-linuxbridge. Description: Linux starting from kernel 3.7 linux offers native vxlan support. Use cases: Many enviroments chose openvswitch just because they need l2 tunneling :-) For this purpose vxlan is much more better solution as is sends all broadcast traffic over multicast group (in openvswitch broadcast packet is send as multiple unicast gre packets) and doesn't require any user space process to be a part of dataswitching environment. Specification URL (additional information): None